Remove a couple desktop infobar png assets.

chrome/browser/extensions/theme_installed_infobar_delegate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/theme_installed_infobar_delegate.h"
 
 #include <stddef.h>
 #include <string>
 #include <utility>
 
@@ skipping 98 matching lines @@
 infobars::InfoBarDelegate::Type
 ThemeInstalledInfoBarDelegate::GetInfoBarType() const {
   return PAGE_ACTION_TYPE;
 }
 
 infobars::InfoBarDelegate::InfoBarIdentifier
 ThemeInstalledInfoBarDelegate::GetIdentifier() const {
   return THEME_INSTALLED_INFOBAR_DELEGATE;
 }
 
-int ThemeInstalledInfoBarDelegate::GetIconId() const {
-  return IDR_INFOBAR_THEME;
-}
-
 gfx::VectorIconId ThemeInstalledInfoBarDelegate::GetVectorIconId() const {
-#if defined(OS_MACOSX)
-  return gfx::VectorIconId::VECTOR_ICON_NONE;
-#else
   return gfx::VectorIconId::PAINTBRUSH;
-#endif
 }
 
 ThemeInstalledInfoBarDelegate*
     ThemeInstalledInfoBarDelegate::AsThemePreviewInfobarDelegate() {
   return this;
 }
 
 base::string16 ThemeInstalledInfoBarDelegate::GetMessageText() const {
   return l10n_util::GetStringFUTF16(IDS_THEME_INSTALL_INFOBAR_LABEL,
                                     base::UTF8ToUTF16(name_));
@@ skipping 29 matching lines @@
 void ThemeInstalledInfoBarDelegate::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type);
   // If the new theme is different from what this info bar is associated with,
   // close this info bar since it is no longer relevant.
   if (theme_id_ != theme_service_->GetThemeID())
     infobar()->RemoveSelf();
 }